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As Tuesday dawned citizens of this heavily contaminated metropolis found themselves exposed to severely hazardous air that registered in the "alarming" category.

Record-Breaking Pollution Levels

Multiple areas of Delhi registered an AQI above 500, which represents ten times the healthy level recommended by the WHO.

Certain monitoring stations, concentrations of dangerous airborne particles reached peaks of 1,800, equating to fifteen to twenty times higher than safe levels.

Fireworks Restrictions and Recent Changes

Since 2020, officials had maintained a comprehensive restriction on the distribution and bursting of pyrotechnics during celebrations due to their major role to the hazardous pollution that blankets the city as winter approaches.

However earlier this year, the newly elected local administration appealed to the judicial authority to request a easing of the ban.

They proposed allowing "green crackers" – which have been doubted by environmentalists as being only roughly 30 percent less polluting – as a compromise between "tradition and public health".

Legal Ruling and Reality

Much to the frustration of environmental and health activists, judges approved the proposal, stipulating that environmentally conscious fireworks could be ignited during designated time windows throughout the Diwali.

Throughout the festival evening, there was widespread disregard of the designated hours across the capital, with insufficient enforcement regarding whether the fireworks being used were actually the supposedly greener variety.

Several recording stations throughout the city recorded pollution peaking around midnight to extremely hazardous levels seen during the festival in at least recent memory.

International Consequences

Extensive ignition of pyrotechnics during the celebrations also triggered a dispute with bordering Pakistan, with representatives in Pakistan's Punjab partially attributing declining atmospheric conditions in their urban centers on contaminants originating in neighboring India following the festivities.

Chronic Environmental Issue

Extremely elevated readings of pollution in Delhi have persisted as a serious problem for fifteen-plus years, with the problem gradually deteriorating.

Around the festival period, the amount of dangerous airborne contaminants in the air has been found to spike to seventy percent above the peak records ever documented in China's capital, which was once considered as the world's most polluted urban center.

Diverse Pollution Contributors

This crisis in the city is caused by a combination of various sources including heavy vehicle emissions, airborne particles, development work, waste incineration and haze from farm burning in adjacent states of Punjab and Haryana.

In these regions, farmers regularly ignite agricultural waste to prepare for next season, generating hazardous haze that remains stagnant over the metropolitan area as colder air descends.

Medical and Economic Toll

The economic and health impact on the roughly thirty-three million inhabitants residing in the Delhi area is enormous, according to various studies.

The contaminated air leads to increased incidence of neurological, cardiovascular and respiratory conditions, and can potentially cause oncological diseases.

The pollution is projected to be accounting for approximately 10k early fatalities each year in the city.